Possible windshield leak?

[TruckGuy2020]

Passenger front seat carpet gets soaked everytime we have a really hard rain (typically wind and rain together). No issues with light rain. I pressure wash my truck and cant find any leaks. No sunroof. Already had the AC drain TSB done years ago. Dealer tried spraying water but can’t find any leaks.

my truck was built in Dearborn during the dates of a windshield seal recall, but the recall never hit my truck specifically. But I can’t for the life of me find the source of the leak. Anyone had a similar issue? My truck reeks of mold now and it takes weeks to dry out the carpet.

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[cessna18860]

Oddly- I have this same issue. 2018 F-150 Lariat Supercrew. (Dearborn build) Haven't found the source either. Now I keep a two containers of moisture absorbing pellets in the back seat area to cut down on the musty smell.

 

[TruckGuy2020]

Update: dealer found the source of the leak was my Morimoto aftermarket 3rd brake light. I'll be reaching out to them for a warranty replacement if possible, just a heads up for any other folks that have one installed. It looked like the material they had on it to seal it was pretty solid when I installed it last year but I guess it wasn't up to snuff.

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